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Library Resources for Chem 303L

Post Lab Literature Assignment: Practice Compounds. 1A. diethyl etherAldrich Catalog1B. 2-methylindole Aldrich Catalog2A. 2-chloro-5-CRC Handbook methylphenol2B. 3,5-dinitrotolueneCRC Handbook3. dibutylamineMSDS. Post Lab: Question 2. Using the CRC Handbook of Chemi

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Library Resources for Chem 303L

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    1. Library Resources for Chem 303L Your pre and post labs in Chem 303 require you to use several handbooks. Today’s class will provide you with the knowledge to use these tools efficiently. Help: Bruce Neville, Chemistry Librarian bneville@unm.edu, 277-4760 Reference Desk: 277-4412

    2. Post Lab Literature Assignment: Practice Compounds 1A. diethyl ether Aldrich Catalog 1B. 2-methylindole Aldrich Catalog 2A. 2-chloro-5- CRC Handbook methylphenol 2B. 3,5-dinitrotoluene CRC Handbook 3. dibutylamine MSDS

    3. Post Lab: Question 2 Using the CRC Handbook of Chemistry and Physics make a table with the two compounds assigned to you. The headings for the table are shown below. Compound CAS MW mp/bp Density Solubility Liquid/ No. (°C) (g/ml) Solid 2A. 2-chloro-5-methylphenol 2B. 3,5-dinitrotoluene

    5. CRC Sample Page Chemicals are arranged alphabetically Different purities and forms Usually the first entry for a compound is what you want.

    14. Post Lab: Question 2 Compound CAS MW mp/bp Density Solubility Liquid/ No. (°C) (g/ml) Solid 2A. 2-chloro- 615-74-7 142.583 45.5/196 1.21515 very soluble solid 5-methylphenol in water 2B. 3,5-dinitro- 618-85-9 182.134 93 sub 1.2772111 slightly solid toluene (sublimes) soluble in water and ethanol

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